The effect on this restoration caused by the deviation of the electromagnetic coefficients from the "perfect lens" conditions was discussed.

同时讨论了异向媒质电磁参数与理想完美透镜条件的偏差对异向介质对倏逝波恢复作用的影响。

youdao

In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.

本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。

youdao

The lens driving device has the advantages of simple structure, low noise and electromagnetic interference resistance.

本发明的镜头驱动装置，结构简单、噪声小，不受电磁干扰。

youdao

Perhaps its greatest moment came in 1979 when it was the first telescope to observe a gravitational lens, an effect where a "massive" object bends electromagnetic radiation such as light around it.

BBC: Aye to the telescope